Home / 190,915.31-263,447.69-110,348.04

Finding the Fourth Proportional to 190,915.31, 263,447.69 and 110,348.04

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Solution

The fourth proportional to 190,915.31, 263,447.69 and 110,348.04 is: 152,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,915.31 : 263,447.69 = 110,348.04 : x
  2. Step 2: Convert to fraction form
    190,915.31/263,447.69 = 110,348.04/x
  3. Step 3: Cross multiply
    190,915.31x = 263,447.69 × 110,348.04
  4. Step 4: Simplify right side
    190,915.31x = 29,070,935,682.29
  5. Step 5: Solve for x
    x = 29,070,935,682.29/190,915.31
  6. Step 6: Final answer
    x = 152,271.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.